EP 4064544 A4 20230208 - ULTRA-WIDE-RANGE HIGH-POWER CONVERTER CIRCUIT
Title (en)
ULTRA-WIDE-RANGE HIGH-POWER CONVERTER CIRCUIT
Title (de)
HOCHLEISTUNGSWANDLERSCHALTUNG MIT ULTRAHOHEM BEREICH
Title (fr)
CIRCUIT CONVERTISSEUR DE PUISSANCE ÉLEVÉE À GAMME ULTRA-ÉTENDUE
Publication
Application
Priority
- CN 202011614169 A 20201230
- CN 2021107057 W 20210719
Abstract (en)
[origin: EP4064544A1] Disclosed is a converter circuit having high power in an ultra-wide range, which includes a transformer module, a first and second primary input modules, an output module, a high and low voltage mode control module, and a load output module. The first primary input module includes a first primary voltage equalization network, a first switch module and a first LC module, the second primary input module includes a second primary voltage equalization network, a second switch module and a second LC module. The first primary voltage equalization network is connected between a first input capacitor and the second switch module, and the second primary voltage equalization network is connected between a second input capacitor and the first switch module. In this disclosure, it is surprisingly found that through arranging resonant voltage equalization network, a designated primary voltage deviation problem, which is caused by a change of a pulse control of an LLC resonant converter under a light load, is solved.
IPC 8 full level
H02M 1/00 (2006.01); H02M 1/14 (2006.01); H02M 1/42 (2006.01); H02M 3/00 (2006.01); H02M 3/335 (2006.01)
CPC (source: CN EP KR US)
B60L 53/22 (2019.01 - CN); H02J 7/02 (2013.01 - KR); H02M 1/0032 (2021.05 - EP US); H02M 1/0074 (2021.05 - EP); H02M 1/0077 (2021.05 - EP US); H02M 1/14 (2013.01 - EP); H02M 1/4216 (2013.01 - EP US); H02M 1/4241 (2013.01 - KR US); H02M 3/01 (2021.05 - EP US); H02M 3/33523 (2013.01 - CN); H02M 3/33569 (2013.01 - CN); H02M 3/33573 (2021.05 - EP US); H02M 7/4815 (2021.05 - KR); H02M 7/4818 (2021.05 - KR); B60L 53/22 (2019.01 - US); H02J 2207/20 (2020.01 - KR US); Y02T 10/70 (2013.01 - EP); Y02T 10/7072 (2013.01 - EP); Y02T 10/92 (2013.01 - EP); Y02T 90/14 (2013.01 - EP)
Citation (search report)
- [IY] US 2014146572 A1 20140529 - YE YIQING [TW], et al
- [IY] CN 110995008 A 20200410 - SHENZHEN UUGREENPOWER ELECTRICAL CO LTD
- [IY] CN 110138239 A 20190816 - SHENZHEN UUGREENPOWER ELECTRICAL CO LTD
- See references of WO 2022142279A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4064544 A1 20220928; EP 4064544 A4 20230208; CN 112737347 A 20210430; CN 112737347 B 20210713; KR 102466013 B1 20221111; KR 20220098356 A 20220712; US 11682978 B2 20230620; US 2023130296 A1 20230427; WO 2022142279 A1 20220707
DOCDB simple family (application)
EP 21890368 A 20210719; CN 202011614169 A 20201230; CN 2021107057 W 20210719; KR 20227016984 A 20210719; US 202117778165 A 20210719